package v1ch7.DrawTest;

import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;

import javax.swing.JComponent;
import javax.swing.JFrame;

public class DrawTest {

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {

			public void run() {
				DrawFrame frame = new DrawFrame();
				frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
				frame.setVisible(true);
			}
		});
	}
}

@SuppressWarnings("serial")
class DrawFrame extends JFrame {

	public DrawFrame() {
		setTitle("DrawTest");
		setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
		DrawComponent component = new DrawComponent();
		add(component);
	}

	private static final int DEFAULT_WIDTH = 400;
	private static final int DEFAULT_HEIGHT = 400;
}

@SuppressWarnings("serial")
class DrawComponent extends JComponent {
	public void paintComponent(Graphics g) {
		Graphics2D g2 = (Graphics2D) g;

		double leftX = 100;
		double topY = 100;
		double width = 200;
		double height = 150;

		Rectangle2D rect = new Rectangle2D.Double(leftX, topY, width, height);
		g2.draw(rect);

		Ellipse2D ellipse = new Ellipse2D.Double();
		ellipse.setFrame(rect);
		g2.draw(ellipse);

		g2.draw(new Line2D.Double(leftX, topY, leftX + width, topY + height));

		double centerX = rect.getCenterX();
		double centerY = rect.getCenterY();
		double radius = 150;

		Ellipse2D circle = new Ellipse2D.Double();
		circle.setFrameFromCenter(centerX, centerY, centerX + radius, centerY
				+ radius);
		g2.draw(circle);
	}
}